Base | Representation |
---|---|
bin | 11011011100010… |
… | …11001000100111 |
3 | 121001011210001200 |
4 | 31232023020213 |
5 | 432413124124 |
6 | 34502053543 |
7 | 5463510315 |
oct | 1556131047 |
9 | 531153050 |
10 | 230208039 |
11 | 108a45786 |
12 | 6511a2b3 |
13 | 38902b99 |
14 | 228070b5 |
15 | 15324bc9 |
hex | db8b227 |
230208039 has 12 divisors (see below), whose sum is σ = 335631816. Its totient is φ = 152037072.
The previous prime is 230208031. The next prime is 230208059. The reversal of 230208039 is 930802032.
It is not a de Polignac number, because 230208039 - 23 = 230208031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230208031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118564 + ... + 120489.
It is an arithmetic number, because the mean of its divisors is an integer number (27969318).
Almost surely, 2230208039 is an apocalyptic number.
230208039 is a deficient number, since it is larger than the sum of its proper divisors (105423777).
230208039 is a wasteful number, since it uses less digits than its factorization.
230208039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239166 (or 239163 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 230208039 is about 15172.6081805338. The cubic root of 230208039 is about 612.8772422145.
The spelling of 230208039 in words is "two hundred thirty million, two hundred eight thousand, thirty-nine".
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